Dariusz Kostrzewa, MD
Family Medicine Physician · Narragansett, RI
Dariusz Kostrzewa, MD is a family medicine physician with a practice address in Narragansett, Rhode Island, and NPI 1154317600, issued on Sep 21, 2005. Check the license (Rhode Island MD11435, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Dariusz Kostrzewa
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD11435 RI
Self-reported in NPPES; status is on the state search - Practice location
- 360 Kingstown RD, Narragansett, RI 02882
- Phone
- (401) 783-6940
- Enumerated
- Sep 21, 2005
- Record last updated
- Apr 4, 2024
- Fax
- (401) 792-3676
- Medicaid ID
- 9003474 RI
- Medicare enrollment
- Enrolled (PECOS I20040719000549); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 475 in Rhode Island → Look up another NPI →
Also registered at 360 Kingstown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Gonzalez, MDFamily Medicine Physician1265433908
- Monica Gross, MD, MPHFamily Medicine Physician1134129257
Verify Dariusz Kostrzewa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD11435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,508 Medicare Part D claims for 651 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 178 claims were for opioids.
Most prescribed
- Atorvastatin Calcium461 claims
- Levothyroxine Sodium307 claims
- Omeprazole218 claims
- Lisinopril205 claims
- Rosuvastatin Calcium199 claims
- Famotidine188 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Coastal Medical Physicians IncNarragansett, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dariusz Kostrzewa among 475 family medicine physician records in Rhode Island
Dariusz Kostrzewa, MD is one of 475 family medicine physician records with a practice address in Rhode Island. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2001 · median 2008 among the 282 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 family medicine physician records list a practice address in Narragansett
They are 5 of the 144 NPPES records with a practice address in Narragansett, and 475 family medicine physician records in Rhode Island.
All 475 in Rhode Island → Every provider in Narragansett → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Leah Briones, MDNarragansett, RI 028821851467161
- Babak Ettekal, MDNarragansett, RI 028821548474778
- Michael Gonzalez, MDNarragansett, RI 028821265433908
- Monica Gross, MD, MPHNarragansett, RI 028821134129257
- David Whitaker, D.O., M.S.Kingston, RI 028811811057508
- Camia Dimock, M.D.Wakefield, RI 028791982041109
- Eileen Marie Gonzalez, MDSouth Kingstown, RI 028791134278369
- Chelsea Graham, D.O.Wakefield, RI 028791114306776
Common questions
What is Dariusz Kostrzewa, MD's NPI number?
Dariusz Kostrzewa, MD's National Provider Identifier (NPI) is 1154317600, issued on Sep 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dariusz Kostrzewa, MD located?
The NPPES record lists a practice address at 360 Kingstown RD, Narragansett, RI, 02882. Phone: (401) 783-6940. Providers update this record themselves, so call before visiting.
How can I verify Dariusz Kostrzewa, MD's license?
NPPES lists Rhode Island license number MD11435, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dariusz Kostrzewa, MD prescribe under Medicare Part D?
In 2024, Dariusz Kostrzewa, MD had 7,508 Medicare Part D claims for 651 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.